Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-10-2024 07:55

General

  • Target

    名单助手PDF.exe

  • Size

    6.1MB

  • MD5

    f24efc53f425d85f86e7d4e2000dbc2a

  • SHA1

    3d29c3ea01714fe3f757c104f44281e2335d278b

  • SHA256

    d2caeb6d90e3240fd087e2180e28219651dc9f6c5ee7c2f18bd59e5b98dcfd6f

  • SHA512

    ad88e648c3124fc379784887e7d6cbb3576eb9bae9cc8400c9d1ed7b093c1c8c691bd98f9a43f8a6a8cd33db403888f4106fef70697b90a8670227fd334a1813

  • SSDEEP

    98304:4YYX5YQmdT8PRv0J0hx09BSpKki9jBGrisYdMLU9V09DsL2qEKqjb:niby94pFKjBGr97eL

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Fatal Rat payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\名单助手PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\名单助手PDF.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4936
  • C:\ProgramData\9SCSCV\1L1K1KF.exe
    C:\ProgramData\9SCSCV\1L1K1KF.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\9SCSCV\1L1K1KF.exe

    Filesize

    233KB

    MD5

    4f9c6e1a88e9a25dff08db5c05b07a15

    SHA1

    c6375b4ac7fa362064e4eeba9442c12b9bfb7238

    SHA256

    9714e568328990ce76669b10573032c34b8617d6c292dafbf509bb59de9d86bc

    SHA512

    3c0faac411137c73fa5e1dffd2c696ced0ccc221b9974fed3bd158b7b6bf4e002162c4f0d4f41105483eb16c6220e20fe48a65adf8f6278882d0d0ff0727726b

  • C:\ProgramData\9SCSCV\PBVM90.dll

    Filesize

    2.2MB

    MD5

    6763be58feb53c3b430c94277b99adcb

    SHA1

    94008b6cd06888df63542969f3b1007a85d2fa1b

    SHA256

    c072f5f0e28cbc8cb347a7736371b57d6a9192667122fbb83fd4f436529f96ef

    SHA512

    4aa0814c5f296adf7dfdc8bb7879b447d6d404e3fe54af5293bfe6db55d1329bb87ccee6bc415b310f9e49e32f789fe3549d6a99045cd036362a8a4f2945c1a1

  • C:\ProgramData\9SCSCV\longlq.cl

    Filesize

    1.2MB

    MD5

    eab35abc0ae31018b3f0c64fb93b785b

    SHA1

    be2468ea6292889e8c58306aacbc875147e29a00

    SHA256

    5b8e39728ad4b2ec68d5b3e0af4dfa914a26812bbdca20198d3fe0d40397126a

    SHA512

    c1555252c93c314a8d26ef018afcb54937abc0b5e755fbc3d6a3bcda7ec796fddca48ffb215cdcb1a92edb2361122d273b1c40987cd2f4c2fe754a2be8f6ae06

  • C:\Users\Admin\AppData\Roaming\YFYIY\Q9T9.exe

    Filesize

    142KB

    MD5

    bbaea75e78b80434b7cd699749b93a97

    SHA1

    c7d151758cb88dee39dbb5f4cd30e7d226980dde

    SHA256

    c9a1c52f5f5c8deef76b8e989c6a377f00061fa369cbd1cee7f53f8f03295f5c

    SHA512

    7f41846d61452c73566554ba5f6ef356e757ff4c292ad68bbcc1b84f736c02c6b0bc52e13270e5d7be4cde743d40cfc281028d4a0e322fbeecd9b786d08bac3d

  • C:\Users\Admin\AppData\Roaming\YFYIY\website_secure_lnk.lnk

    Filesize

    797B

    MD5

    f23bd052527d0fae7b10bc990c9eaf65

    SHA1

    dd674c88be6395dc0e10920c4ed3e79fd0b68587

    SHA256

    929228b69b920f92d17635da1615c60759ecbc16767feed4ba107838d4f23bae

    SHA512

    d89f9df93b464c7570d8990be33bd4ae62f67c434cbaebefc903d45fb4ad523c43633e02bd9060bd774b216c3a63e09dab0d36e30cb86e74b96da035112c4c7c

  • C:\Users\Public\SBSBVB

    Filesize

    1.1MB

    MD5

    9bfaab258ac336e40145a0e98c4d0639

    SHA1

    1bbab07dddf56f3fd43c1c61d38b11dd121795c6

    SHA256

    53a844c36f87b391260bfca420e9cdb46770e42a4b2a4ad4be925ad381830eb7

    SHA512

    5adc1903d385943fa999aa1541ee101ca0d38d9bb602c4a36e690f9099eb3b3df99b2d65c4f97f3abfcd8f8a5767d1493b59b88f9b68dc8c09205b380e782c19

  • memory/4180-64-0x00000000022B0000-0x00000000022E2000-memory.dmp

    Filesize

    200KB

  • memory/4180-81-0x00000000039D0000-0x0000000003B1D000-memory.dmp

    Filesize

    1.3MB

  • memory/4180-84-0x00000000039D0000-0x0000000003B1D000-memory.dmp

    Filesize

    1.3MB

  • memory/4180-65-0x0000000002450000-0x000000000247A000-memory.dmp

    Filesize

    168KB

  • memory/4180-83-0x00000000039D0000-0x0000000003B1D000-memory.dmp

    Filesize

    1.3MB

  • memory/4180-63-0x0000000002410000-0x000000000244B000-memory.dmp

    Filesize

    236KB

  • memory/4180-78-0x00000000039D0000-0x0000000003B1D000-memory.dmp

    Filesize

    1.3MB

  • memory/4180-70-0x0000000002410000-0x000000000244B000-memory.dmp

    Filesize

    236KB

  • memory/4936-77-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/4936-76-0x00000000022D0000-0x00000000028B9000-memory.dmp

    Filesize

    5.9MB

  • memory/4936-54-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/4936-1-0x0000000003410000-0x00000000036DD000-memory.dmp

    Filesize

    2.8MB

  • memory/4936-0-0x00000000022D0000-0x00000000028B9000-memory.dmp

    Filesize

    5.9MB

  • memory/4936-3-0x00000000022D0000-0x00000000028B9000-memory.dmp

    Filesize

    5.9MB